(/3sNews senior editor Long Wei) where there are fascist, there will be war (celebrating the victory of the anti-fascist war 70 years!). Similarly, where there are drones, and counter-UAV systems. Drones for its "superior" attitude, and do good at the same time, should not be photographed, violating someone's privacy, scandal, and counter-UAV system unmanned aerial vehicle industry came into being in the course of the product. Today, I take stock of the global top ten for you counter-UAV systems.
1. technology: captured radio control
Representative: United States Government
Violence index: ★
Along with consumer-level unmanned aerial vehicles in the United States the popularity of United States Government to take tough measures, to ensure the safety areas at low altitude. United States Government uses a receiver to track and determine the drones, use electronic signals strong enough radiation drones, seized the radio control. BAT may have passed away three years after the
During the operation, once the UAV cannot receive the signal, it will crash. In order to avoid this from happening, United States Government hopes to use to block the UAV using transmission codes, then take control of the drone and guided them to return home, return to the operator's hands. Drones do bad things, let it stop, this is not the kind of counter-UAV means?
2. technology: acoustic jamming
Unit: Korea Advanced Institute of science and technology (KAIST)
Violence index: ★ ☆
Korea Advanced Institute of science and technology (KAIST) researchers drone resonance testing are key components in gyroscopes, found by using acoustic resonance gyroscope, print an error message, causing the drone crashed. KAIST researchers demonstrated this technology next week in Washington.
Professor of electronic engineering at KAIST Jinlong said gyroscopes in the drone's function is to provide the body tilt, rotation angle and direction information, in order to maintain the body's balance. Jinlong big trials showed that using external sound waves to make unmanned gyro resonance, thus disrupting the smooth flight of UAV, was technically feasible.
In tests, researchers to drones very small business speakers, speakers from the gyro 4 inches (about 10 cm), and laptop wireless control speaker sound. When a match with gyro noise, and no chance of a normal flight, suddenly fell from the sky. Or when the sound is strong enough (for example, up to 140 decibels), Sonic drone shot down 40 metres away.
Or through drones, the placement of loudspeakers, then shock it down again with Sonic, sonic booms or directly use--140 DB, really? this means counter-UAV, unmanned machines is more offensive than do bad things.
3. techniques: signal interference
Unit: many countries
Violence index: ★ ★
Drones could not get enough accurate coordinate data itself. Therefore, national UAV flight control using GPS satellite navigation system and inertial navigation system, a combination of ways. Drones also need to know your exact location in the photo, so no one machine is installed on GPS signal reception.
Just so, unmanned aerial vehicles vulnerable to electronic jamming of GPS signal receiver led drones can only rely on a gyroscope-based inertial navigation systems, unable to obtain sufficiently precise own coordinate data. Terrain even if there is no exact measurement, the information obtained by means of cameras and camcorders will have no value, the drone is a flying camera, either from a military perspective, or from the civilian perspective of surveying and mapping, mean loss.
However, the signal at most drone fail, don't drone crashed, it is clear that this is fairly moderate mercy.
4. technology: radar or microphone
On behalf of the enterprise: France's Thales SA company, United States Drone Shield company, Mexico JAMMER company
Violence index: ★ ★ ☆
France electronics maker Thales SA is developing a system that would use radar to detect drone, confirmed with a camera, and used sophisticated jamming tools to control drones.
United States unmanned Drone Shield detection systems manufacturer developed a radar drones monitoring or microphone technology.
It contains Raspberry Pi, signal processors, microphones, sound analysis software, unmanned property database, by monitoring ambient sound, by comparing the sound to determine whether there are drones. When there is no one nearby, via email or text message alerts. In principle, it is not difficult. Monitoring the accuracy and low false alarm rate is critical. In this regard, DroneShield has its own patents. It is reported that the United States authorities have used this system to prisons, sporting events and Government buildings to provide security.
Mexico JAMMER developed known as Tamce Bloqueador Direccional Anti-Drone defense system, used for home defense. System noise power is 20 w, suppressing consumer drone of hundreds of MW. Uninvited guest took the aircraft entered the user around the yard. Began to take access to private gardens. After the start switch, decorate the outside interference, can interfere with the 2.4G and 5.8G, which for most consumer-level unmanned, remote control signals and the signals are tragic, lost the drones only after the signal to return home or landing place.
5. technology: hacking
Representative: hackers
Violence index: ★ ★ ★
Hackers through the drone of the built-in Wi-Fi network and open remote port, to attack drones real-time operating system. Through the Wi-Fi network, an attacker can break the FreeFlight drone owner control application and make it paired with himself, and then get the full control permission.
Even hackers but also by Bebop model, the drone is flying in the sky "a key win." After you connect to a target drone, gained root permissions to access the controller, then naturally are wanton destruction, even unmanned aerial vehicles directly to the floor.
Do not move a single soldier, knocking at the keyboard, make the next expensive unmanned aircraft, it is fast and furious in the bridge section.
6. technology: unmanned aerial vehicles special bullets
On behalf of the enterprise: Snake River company
Violence index: ★ ★ ★ ☆
United States drone violation of Snake River company for those people, developed a special type of UAV special bullets. The company claims that their device enables users to easily shoot down drones, it is a very efficient way to expel drones violate people's private space.
Does at first blush sound scary? if choose to use unmanned aerial vehicles transporting express of the future, will there be the potential risk of being shot down? so even the invention of the Snake River company has said would violate people's private space drone shot down the legality of the practice, is open to question.
Therefore, to candid beauties neighbor drone users may want to pay attention, you have a UAV, they may have no special bullets, not just give it a try.
7. anti-UAV means: multi-pronged
On behalf of the enterprise: United Kingdom Blighter Surveillance Systems, Chess Dynamics and Enterprise Control Systems company
Violence index: ★ ★ ★ ★
Recently, several company teamed up development has AUDS system, the system integrated has electronic scan air defense radar, photoelectric indicator, and visible/infrared camera and target track software and directed RF inhibit/interference system, can on 8-kilometer range within of no machine for detection, and track, and recognition, and interference and stop the system on micro no machine of effective role distance for 1-kilometer, on mini no machine of effective role distance can up thousands of meters.
Capture the radar signals, once the drone after it has been identified as a threat, the system will emit a jamming signal, making it mission failed, and led directly to the crash, this trick can be described as ruthless.
8. technology: laser Cannon
On behalf of the enterprise: United States Boeing, China Academy of engineering physics
Violence index: ★ ★ ★ ★ ☆
Boeing developed a laser gun, specifically designed to nullify a drone. Boeing laser drone aircraft flying over a stationary burns a hole in the shell. In full power mode, only two seconds, unmanned aerial vehicle shell is on fire. Boeing believes that the best solution is to use precision laser to destroy the drone and it burns a hole, let it fall through the air.
Laser transmitter and readily available universal rack (can make lasers and cameras aimed in any direction), so that it can be precisely aimed at an unmanned machine any part of it. For example, if you want to burn the UAV's tail, let it fall, and then pick up the fuselage back to look, look who's trying to monitor you. Coincidentally, the China Academy of engineering physics, also developed a similar device.
Do not talk nonsense, direct laser Spike, settle, whether it is military or civilian drones, burned down.
9. technology: squirt, nets, sticks, fists etc
Representative: anger you, me, him, and animals
Violence index: ★ ★ ★ ★ ★
In fact, the number of various technical, the most violent of all people--angry people.
In June, the United States of California, a forest fire broke out, the fire spread rapidly at the same time, the Government swiftly deployed helicopters to put out the fire, but fire helicopter drones watched over and led to an emergency landing, in desperation, firefighters had to use water cannons to the drone shot down to protect the helicopter emergency rescue work could be carried out smoothly.
This year, the United States, Kentucky, when two teenage girls in the home in the Sun, found a drone hovering overhead. Learned of the incident, the girl's father grabs a shotgun shoot drone, perhaps, rather than allow the drone crashed, he would drone controlled hand fat beat it.
In fact, unwelcome drone is more annoying humans. Last year, on had has a frame small no machine in low flight observation Kangaroo of process in the, was a only size larger of Kangaroo of attacks, will no machine shot down, and this year, also has a frame small no machine in flight of process in the suffered to has Eagle of attacks, directly fall, these process are was no machine Shang of camera recorded has down, to has video website.
Conclusion:
In fact, the above cited nine anti-UAV technology is only tip of the iceberg, it is reported that United States military claims to have mastered more than more than 50 types of UAV technology, while the United States Government is precisely the use of drones has done many bad things behind, some to attack our very own market irony.
Is the so-called magic feet taller, way high and Zhang. No functioning rapidly, similarly, counter-UAV technology developed rapidly. While unmanned aerial vehicles have myriad uses, but not go astray and do terrible things, or not, you put your horse come try it? last, small drone users a word of advice--don't cordoned off a step, or suffer the consequences.
